AFTER operating for more than 30 years, it is only now that Pertamina has started having difficulties looking for cash. However, the state-owned oil & gas company's desire to own its own supertankers seems to have all but run aground in midstream. Because of these difficulties looking for cash, Pertamina has been forced to let go two of its supertankers. Originally, the two currently being constructed by Hyundai Heavy Industry of South Ko